diff options
| author | Pan Bian <bianpan2016@163.com> | 2017-11-12 23:38:09 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-14 21:34:57 +0900 |
| commit | 97438abcfb80656d4aedaca21b8ff8db4fcc93a1 (patch) | |
| tree | 7a68728edbe01300bbcffe3205fd4afd1acbe726 /drivers/net/dsa/lan9303-core.c | |
| parent | 3697d058b08d5b874f0253de173ef72e5d648f9a (diff) | |
net: dsa: lan9303: correctly check return value of devm_gpiod_get_optional
Function devm_gpiod_get_optional() returns an ERR_PTR on failure. Its
return value should not be validated by a NULL check. Instead, use IS_ERR.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/lan9303-core.c')
| -rw-r--r-- | drivers/net/dsa/lan9303-core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index fdfdb0edfe62..b24566bb74d2 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -1301,7 +1301,7 @@ static void lan9303_probe_reset_gpio(struct lan9303 *chip, chip->reset_gpio = devm_gpiod_get_optional(chip->dev, "reset", GPIOD_OUT_LOW); - if (!chip->reset_gpio) { + if (IS_ERR(chip->reset_gpio)) { dev_dbg(chip->dev, "No reset GPIO defined\n"); return; } |